Telescope |
Explore
Scientific David H. Levy Comet Hunter Maksutov-Newtonian 152mm
f/4.8 mounted piggyback on Meade LX 200 Classic 12 inch |
Camera |
Canon
XT/350d modified with Baader type 1 filter by Hap Griffin |
Exposure |
39
three-minute sub-esposures at iso 1600 |
Guiding |
PHD Guide from
Stark labs with Meade DSI pro I on Meade 12-inch LX 200 Classic
at f/3.3 |
Software |
Images acquired,
calibrated, stacked and color corrected with Nebulosity 2.2.7
from Stark Labs. Further processing in Photoshop CS 3. |
on-line
links to more information |
for more information
try http://en.wikipedia.org/wiki/Messier_99 and links from there,
especially the argument for HI 21. |